public class Test {
    public static void main(String[] args) {
        BinarySearchTree searchTree = new BinarySearchTree();
        searchTree.insert(10);
        searchTree.insert(5);
        searchTree.insert(19);
        System.out.println(searchTree.search(10));
        System.out.println(searchTree.search(15));
        System.out.println();
    }
}
